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Computing aware scheduling in mobile edge computing system

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Abstract

Mobile edge computing (MEC) is an emerging technology recognized as an effective solution to guarantee the Quality of Service for computation-intensive and latency-critical traffics. In MEC system, the mobile computing, network control and storage functions are deployed by the servers at the network edges (e.g., base station and access points). One of the key issue in designing the MEC system is how to allocate finite computational resources to multi-users. In contrast with previous works, in this paper we solve this issue by combining the real-time traffic classification and CPU scheduling. Specifically, a support vector machine based multi-class classifier is adopted, the parameter tunning and cross-validation are designed in the first place. Since the traffic of same class has similar delay budget and characteristics (e.g. inter-arrival time, packet length), the CPU scheduler could efficiently scheduling the traffic based on the classification results. In the second place, with the consideration of both traffic delay budget and signal baseband processing cost, a preemptive earliest deadline first (EDF) algorithm is deployed for the CPU scheduling. Furthermore, an admission control algorithm that could get rid off the domino effect of the EDF is also given. The simulation results show that, by our proposed scheduling algorithm, the classification accuracy for specific traffic class could be over 82 percent, meanwhile the throughput is much higher than the existing scheduling algorithms.

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Acknowledgements

This work is jointly supported by Project 61501052 and 61602538 of the National Natural Science Foundation of China, and Project D010109.

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Authors and Affiliations

  1. Key Laboratory of Universal Wireless Communications Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, People’s Republic of China

    Ke Wang, XiaoYi Yu, WenLiang Lin, ZhongLiang Deng & Xin Liu

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  1. Ke Wang
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  2. XiaoYi Yu
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  3. WenLiang Lin
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  5. Xin Liu
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Correspondence to Ke Wang.

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Wang, K., Yu, X., Lin, W. et al. Computing aware scheduling in mobile edge computing system. Wireless Netw 27, 4229–4245 (2021). https://doi.org/10.1007/s11276-018-1892-z

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